鋼纖維混凝土在橋面鋪裝工程中的應(yīng)用技術(shù)研究.pdf

1、授予單位代碼!Q』2學(xué)號(hào)或申請(qǐng)?zhí)朡2Q!籩密級(jí)——鄭州大學(xué)碩士學(xué)位論文論文題目：鈕紅縫遺筮在援面銦筮王捏生鰉學(xué)科門(mén)類(lèi)：王堂專(zhuān)業(yè)名稱(chēng)：蚩互猩導(dǎo)師姓名、職稱(chēng)：壓壘塑熬援二零零五年五月九B鄭州人學(xué)碩fj學(xué)位論文AbstraetAbstractInrecentyears，withtheincreaseoftrafficvolumeandheavyvehiclethedeteriorationofbridgedeckpavementiscompa

2、rativelysevererandthemaintenanceperiodisbecomingincreasinglyshorterDamagesofbridgedeckpavementemergesoonafteropeningtotraffic，suchaslongitudinal，lateralanddiagonalcracksaswellaschuckhole，crackleandpeelingTheseproblemsnot

3、onlydisturbtrafficsafetyinfluenceaestheticsofbridgedeck，butalsobringaboutbiggisheconomiclossSteelfiberreinforcedconcrete(referredasSFRCthereafter)isakindofnewconstructionalmaterialandpossessesmanyeximiousperformancesOwin

4、gtofavorablecrackresistance，flexuraltoughness。highimpactresistanceperformancesandSOon，SFRCisextensivelyusedinconstructionengineeringEngineeringpracticesshowthatwhenSFRCisusedinarchitectureitnotonlyeffectivelyreducesallki

5、ndsofcracks，deferscrackappearance，butalsoenhancesbondingstrengthofarchitecturestructure，elongatesservicelifeofconstruction，andthereforestrengthensstabilityandreliabilityofmonolithicconstructionCombiningpracticalengineeri

6、ngmaterialpropertiesofSFRCandmechanicalcharacteristicsandbuildingtechnologyofbridgedeckpavementandSOonaresystematicallystudiedinthisthesisandprincipalresearchfindingsobtainediSasfoIlows：1Throughdatasearchesandpreliminary

7、experimentalstudy，strengtheningmechanism，technicalperformanceandstaticloadmechanicscharacteristicofSFRCareprobedintoBased0nwhich，throughexperimentresearchofcompressivestrength，tensilesplittingstrength，bendingstrengthandf

8、lexuraltoughnessoftwokindsofSFRC，theinfluenceofsteelfibercontentsandtypesonconcretemechanicsperformanceareanalyzed，andconsequentlyreliabletechnicalfoundationissuppliedforascerlainingSFRCmixratiosuitableforbridgedeckpavem

9、entcharacteristics2Throughstaticexperimentsoffullscaleone—wayandtwo—waySFRCandreinforcedconcrete(referredasRCthereafter)slabsunderconcentratedload，simplysupportedalongitstwooppositeedges，theirmechanicalpropertiesandfailu

10、remodesarediscussedBycomparingperformancedifferencesofthetwokindofconcreteslabs，performanceinfluenceofsteelfiberonresistingandblockingfissureaswellastoughnessofconcretemembersinflexurearedetailedlyanalyzedBytransformingl